Image capture method and portable communication device
a technology of image capture and communication device, which is applied in the field of portable communication device, can solve the problems of inability to capture the image of objects in real time, delay in image capture timing, and inability to shake or rock the mobile communication device, and achieve the effect of improving the focus accuracy of the captured imag
Active Publication Date: 2013-08-06
HTC CORP
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Benefits of technology
The present invention provides an image capture method that improves focus accuracy and performs better in various focusing modes. The device automatically switches to a lower sensitivity level after receiving a touch focus signal, increasing the vibrational tolerance and reducing the chance of blurring the captured image. Additionally, even in poor environmental brightness, the device automatically performs pre-capture auto-focus to improve image definition.
Problems solved by technology
However, when the user presses the physical shutter button on the mobile communication device or the virtual shutter button to capture the image of the object, it is inevitable to shake or rock the mobile communication device due to the pressing movement of the user.
Thus, it is easy for the mobile communication device to restart the continuous auto-focus operation so that the camera shutter is unable to real-time capture the image of the object.
Hence, the problem of the delayed image capture timing happens or the problem of the defocus happens during the image capture.
Method used
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[0036]FIG. 1 is a schematic view showing a portable communication device according to one embodiment of the present invention. FIG. 2 is a flow chart showing an image capture method according to one embodiment of the present invention. FIG. 3A and FIG. 3B are schematic views showing a touch focusing step according to one embodiment of the present invention. As shown in FIG. 1 and FIG. 3, a portable communication device 100 of the present invention is used for capturing an image 304 including at least one object 302 to be shot (as shown in FIG. 3A, the objects 302 includes humans 302a and 302c and pet 302b). Further, the portable communication device 100 can be, for example, a personal digital assistant (PDA), a PDA phone, a smart phone or a touch phone.
[0037]As shown in FIG. 1, the portable communication device 100 comprises a display unit 102, a touch sensing unit 104, a gravity-sensing unit 106 and an image capture unit 108. Also, the portable communication device 100 comprises a ...
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An image capture method is provided for a portable communication device having a display unit, which real-time displays an image at least including an object to be shot. The method includes sensing a moving acceleration of the portable communication device based on a first gravity-sensing threshold value. A touch focus signal is received so that the portable communication device focuses on one of the objects to be the focus-lock object. Then, according to the touch focus signal, the first gravity-sensing threshold value is changed to a second gravity-sensing threshold value, which is larger than the first gravity-sensing threshold value. The image at least including the focus-lock object is captured.
Description
CROSS-REFERENCE TO RELATED APPLICATION[0001]This application claims the priority benefit of Taiwan application serial No. 98136902, filed on Oct. 30, 2009. The entirety of the above-mentioned patent application is hereby incorporated by reference herein and made a part of this specification.BACKGROUND OF THE INVENTION[0002]1. Field of the Invention[0003]The present invention relates to a portable device and a method for operating thereof, and more particularly, to portable communication device capable of dynamically change gravity sensitivity accordingly with different focusing modes and a method for operating thereof.[0004]2. Description of Related Art[0005]In a present era of information explosion, electronic communications become indispensable in our daily life, and portable communication devices, especially portable mobile communication devices such as cell phone or wireless communication electronic devices etc. are generally used for communication.[0006]Advanced mobile communic...
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IPC IPC(8): H04N5/222H04N5/232G06K9/40G06K9/00
CPCH04N5/23212H04N5/23216H04N5/23219H04N5/23248H04N5/23258H04N5/23293H04N23/675H04N23/61H04N23/62H04N23/611H04N23/68H04N23/6812H04N23/635
Inventor LEE, CHIEN-HSINCHANG, CHIA-HUALIN, SUNG-HAO
Owner HTC CORP